280536472

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{5867}}^1$

素因数の和:6055

約数の個数: 32

約数和(自身を含む): 542203200

約数和(自身を除く): 261666728

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 556, 1112, 5867, 5977, 11734, 11954, 23468, 23908, 46936, 47816, 252281, 504562, 815513, 1009124, 1631026, 2018248, 3262052, 6524104, 35067059, 70134118, 140268236, 280536472]

約数ペア:

[(1, 280536472), (2, 140268236), (4, 70134118), (8, 35067059), (43, 6524104), (86, 3262052), (139, 2018248), (172, 1631026), (278, 1009124), (344, 815513), (556, 504562), (1112, 252281), (5867, 47816), (5977, 46936), (11734, 23908), (11954, 23468)]